It wasn’t so long ago that I could predict exactly when my laptop would slowly give up the ghost on hot days. Often, the only thing that helped was pointing my desk fan at it—loud as a leaf blower and only partially effective. Fortunately, that’s all history now, because I finally treated myself to this ingenious cooling pad for just $15.99 . And to be honest: I never would have thought that something so simple could make such a big difference. I’ve been through quite a...

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